@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  /* Editorial Palette Tokens (Default) */
  --color-primary: #991b1b;       /* Rust Crimson */
  --color-primary-hover: #7f1d1d;
  --color-accent: #b45309;        /* Warm Amber Highlight */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Editorial Theme Colors (Warm Paper) */
  --color-background: #fdfbf7;    /* Warm Cream Paper */
  --color-surface: #f5f2eb;       /* Soft Parchment Card */
  --color-surface-hover: #e9e4d9;
  --color-text-primary: #1c1917;  /* Deep Charcoal Text */
  --color-text-secondary: #44403c;/* Soft Slate Text */
  --color-border: #e7e5e4;        /* Warm Border */
  --color-shadow: rgba(28, 25, 23, 0.04);

  /* Spacing Scale (Rem Based) */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;

  /* Layout Boundaries */
  --max-width-content: 720px;
  --max-width-grid: 1100px;
  --header-height: 70px;

  /* Borders & Shadows */
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 1px 3px 0 var(--color-shadow), 0 1px 2px -1px var(--color-shadow);
  --shadow-md: 0 4px 6px -1px var(--color-shadow), 0 2px 4px -2px var(--color-shadow);
  --shadow-lg: 0 10px 15px -3px var(--color-shadow), 0 4px 6px -4px var(--color-shadow);

  /* Typography Scales */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1.0625rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2.125rem;
  --font-size-xxxl: 2.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.3;
  --line-height-normal: 1.75;
  --line-height-loose: 1.95;

  /* Animation Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Default Typography Font Mappings (Editorial Serif) */
  --font-family-body: 'Lora', Georgia, serif;
  --font-family-heading: 'Lora', Georgia, serif;
}

/* Editorial Midnight Dark Theme Overrides */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #ef4444;       /* Warm Crimson Red */
    --color-primary-hover: #dc2626;
    --color-accent: #f59e0b;        /* Warm Gold Highlight */

    --color-background: #1c1917;    /* Deep Charcoal Ink */
    --color-surface: #292524;       /* Warm Stone Card */
    --color-surface-hover: #383533;
    --color-text-primary: #f5f2eb;  /* Warm Soft Parchment Text */
    --color-text-secondary: #d6d3d1;/* Warm Soft Slate Text */
    --color-border: #44403c;        /* Warm Stone Border */
    --color-shadow: rgba(0, 0, 0, 0.4);
  }
}

/* Explicit Attribute overrides for manual toggling */
[data-theme='dark'], html.dark {
  --color-primary: #ef4444;
  --color-primary-hover: #dc2626;
  --color-accent: #f59e0b;

  --color-background: #1c1917;
  --color-surface: #292524;
  --color-surface-hover: #383533;
  --color-text-primary: #f5f2eb;
  --color-text-secondary: #d6d3d1;
  --color-border: #44403c;
  --color-shadow: rgba(0, 0, 0, 0.4);
}

/* --- Resets & Base Normalization --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Layout Structures --- */
.container {
  width: 100%;
  max-width: var(--max-width-grid);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.content-container {
  width: 100%;
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

/* --- Typography Rules --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-xxxl); }
h2 { font-size: var(--font-size-xxl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* --- Lists --- */
ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
  color: var(--color-text-secondary);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* --- Markdown Styled Post Body --- */
.prose {
  line-height: var(--line-height-loose);
}

.prose h1, .prose h2, .prose h3, .prose h4 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.prose p {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
}

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.prose code {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--color-surface-hover);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
}

.prose pre {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.prose pre code {
  padding: 0;
  background-color: transparent;
  border-radius: 0;
  font-size: var(--font-size-sm);
}

/* --- Layout Header & Footer --- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  background-color: var(--color-surface);
  position: sticky;
  top: 0,
  z-index: 10;
  backdrop-filter: blur(8px);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.site-logo {
  font-family: 'Outfit', sans-serif;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.site-logo span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.site-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.site-nav a:hover {
  color: var(--color-primary);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
  margin-top: var(--spacing-xxl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer .container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}